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Finding the Fourth Proportional to 158,908.96, 219,114.66 and 101,472.76

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Solution

The fourth proportional to 158,908.96, 219,114.66 and 101,472.76 is: 139,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,908.96 : 219,114.66 = 101,472.76 : x
  2. Step 2: Convert to fraction form
    158,908.96/219,114.66 = 101,472.76/x
  3. Step 3: Cross multiply
    158,908.96x = 219,114.66 × 101,472.76
  4. Step 4: Simplify right side
    158,908.96x = 22,234,169,306.66
  5. Step 5: Solve for x
    x = 22,234,169,306.66/158,908.96
  6. Step 6: Final answer
    x = 139,917.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.